<div dir="ltr">Maybe adapt a median filter to Delphi. <a href="http://rosettacode.org/wiki/Median_filter">http://rosettacode.org/wiki/Median_filter</a></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, May 9, 2021 at 1:24 PM Marshland Engineering <<a href="mailto:marshland@marshland.co.nz">marshland@marshland.co.nz</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I'm reading a noisy signal and need to filter the data. I've tried many home<br>
grown techniques but none are any good enough. <br>
<br>
Here is a sample of the data. I'm working on acceleration which is the rate of<br>
change of speed. The change of speed between samples (30hz) is quite small so<br>
the result is quite noisy as you can see.<br>
<br>
<a href="http://www.marshland.co.nz/ftp/Delphi/Plot.jpg" rel="noreferrer" target="_blank">http://www.marshland.co.nz/ftp/Delphi/Plot.jpg</a><br>
<br>
Anyone found something that I can use ? <br>
<br>
Thanks Wallace <br>
<br>
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</blockquote></div>